11813604054011 has 2 divisors, whose sum is σ = 11813604054012. Its totient is φ = 11813604054010.

The previous prime is 11813604053917. The next prime is 11813604054013. The reversal of 11813604054011 is 11045040631811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11813604054011 - 2⁴² = 7415557542907 is a prime.

It is a super-2 number, since 2×11813604054011² (a number of 27 digits) contains 22 as substring.

Together with 11813604054013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11813604054013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5906802027005 + 5906802027006.

It is an arithmetic number, because the mean of its divisors is an integer number (5906802027006).

Almost surely, 2^{11813604054011} is an apocalyptic number.

11813604054011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11813604054011 is an equidigital number, since it uses as much as digits as its factorization.

11813604054011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 35.

Adding to 11813604054011 its reverse (11045040631811), we get a palindrome (22858644685822).

The spelling of 11813604054011 in words is "eleven trillion, eight hundred thirteen billion, six hundred four million, fifty-four thousand, eleven".